The document discusses determining resectability in pancreatic cancer. It begins with an introduction to pancreatic cancer rates, stages, and classifications. It then discusses the National Comprehensive Cancer Network guidelines for classifying pancreatic cancers as resectable, borderline resectable, or unresectable based on tumor involvement of arteries and veins. The document outlines surgical procedures for pancreatic cancer and discusses how venous and arterial resection can increase resectability rates when performed by specialized surgeons, though they may increase morbidity.
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Minimal invasive Surgery in Management of colorectal cancerpiyushpatwa
Laparoscopic Anterior resection. After insertion of ports with patient in steep trendelenburg position Inferior mesenteric artery was identified and high ligation done with division of left colic artery and then medial to lateral dissection was done. Subsequently inferior mesenteric vein was dissected and clipped and divided. Distal dissection proceeded just behind the superior rectal artery and after identification and preservation of the hypogastric nerves, upper rectum was mobilised. Division of bowel was done at upper rectum after giving adequate distal margin and end to end anastomosis was done using circular stapler.
Artery first approach For Pancreatic Head tumours by Dr Harsh Shah (www.gastr...Dr Harsh Shah
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Approximately 10% to 30% of patients submitted to BCS alone are not satisfied with the aesthetic outcomes like “swan beak/ parrot beak deformities. The main reasons are related this is the tumour resection which can produce asymmetry, retraction, and volume changes in the breast.
Recently, increasing attention has been focused on oncoplastic procedures since the immediate application of plastic breast surgery techniques provide a wider local excision while still achieving the goals of a better breast shape and symmetry to obtain oncologically sound and aesthetically pleasing results. Thus, by means of customized techniques the surgeon ensures that oncologic principles are not jeopardized while meeting the needs of the patient from an aesthetic point of view.
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The prognosis of most peritoneal surface malignancies were previously dismal. However, with the incorporation of HIPEC to standard of care, we have been seeing doubling of survival for select malignancies. Appropriate patient selection is crucial.
Oncoplastic Breast surgery is simultaneous application of lumpectomy and reconstructive techniques. The word ‘oncoplastic’ is derived from the Greek words ‘onco’ (tumour) and ‘plastic’ (to mould).
Approximately 10% to 30% of patients submitted to BCS alone are not satisfied with the aesthetic outcomes like “swan beak/ parrot beak deformities. The main reasons are related this is the tumour resection which can produce asymmetry, retraction, and volume changes in the breast.
Recently, increasing attention has been focused on oncoplastic procedures since the immediate application of plastic breast surgery techniques provide a wider local excision while still achieving the goals of a better breast shape and symmetry to obtain oncologically sound and aesthetically pleasing results. Thus, by means of customized techniques the surgeon ensures that oncologic principles are not jeopardized while meeting the needs of the patient from an aesthetic point of view.
Presentation describing surgical technique and principles of anastomosis, factors for good healing in the post operative phase, risk factors for leak and the role of staplers in modern day surgical practice, advantages over hand sewn anastomosis.
Extended totally extraperitoneal repair (eTEP) is a novel technique that was first introduced by Jorge Daes in 2012 to address difficult inguinal hernias.
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What would you recommend as first line therapy for a 68 y/o woman with local pancreatic cancer and no metastatic disease with ECOG-1?
Chemoradiation: Rachna Shroff, MD
Surgical Resection: Yongyut Sirivatanauksorn, MD
Abstract
OBJECTIVE: Complete surgical resection is the only potentially curative treatment of localized pancreatic neuroendocrine tumors. Unfortunately, a significant proportion of these patients present with unresectable locally advanced tumors or massive metastatic disease. Recently, a new therapeutic approach for this subset of patients has emerged consisting of neoadjuvant therapy followed by surgical exploration in responders.
DESIGN: We searched MEDLINE for the purpose of identifying reports regarding neoadjuvant treatment modalities for advanced pancreatic neuroendocrine tumors.
RESULTS: We identified 12 studies, the vast majority of which were either case reports or small case series. Treatment options included chemotherapy, radiotherapy, peptide receptor radionuclide therapy, biological agents or various combina- tions of them.
CONCLUSIONS: Increasing evidence supports the application of neoadjuvant protocols in advanced pancreatic neuroendocrine tumors aiming at tumor downsizing, thus rendering curative resection feasible. Given that prospective and controlled randomized clini- cal trials from high-volume institutions are not feasible, expert panel consensus is needed to define the optimal treatment algorithm.
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1. DETERMINING RESECTABILITY
IN PANCREATIC CANCER
Moderator :
Dr. B. Srihari rao M.S
Dr. C. Srikanth Reddy M.S
Dr. K. Keerthinmayee M.S
Presenter:
Dr. Harish Y S
2. Discussed by
INTRODUCTION
CLASSIFICATION OF TUMORS
STAGING OF TUMORS
ANATOMY OF PANCREAS
National Comprehensive Cancer Network (NCCN)
GUIDELINES
INCREASING RESECTABILITY RATES
VENOUS RESECTION
ARTERIAL RESECTION.
MANAGEMENT
3. INTRODUCTION
It is the 13th most common cancer worldwide.
5th MC cause of cancer-related mortality.
Incidence rate is 9.7 per 100,000.
Its peak incidence between the 7 & 8 decades and
It is rare < 40yrs.
Male to female ratio is 1:1
Parkin DM, Bray FI, Devesa SS. Cancer burden in the year 2000. The global
picture. Eur J Cancer. 2001;37 Suppl 8:S4-66
4. INTRODUCTION
It has an overall survival of 0.4% to 4%.
These patients presents late,
At the time of diagnosis < 20% of patients are surgically
resectable disease
Of the inoperable ones,
1/3 rd. with distant metastases and
Remaining 1/3 rd. with locally advanced disease.
Defining resectability is therefore one of the most important and
crucial aspects in the management of pancreatic cancer.
5. WHO Classification of pancreatic exocrine tumors
Benign tumors:
Serous cystadenoma
Mucinous cystadenoma
Intraductal papillary-mucinous adenoma
Mature teratoma
Borderline (uncertain malignant potential)
Solid-pseudopapillary neoplasm
Most common
12. Historically pancreatic tumours have been classified
as either resectable or unresectable.
It is primarily the relationship of the pancreatic
cancer to the vessels that defines resectability.
Over the last two decades the terms “locally
advanced” and “borderline resectable” pancreatic
cancer have come in to use.
13. LOCALLY ADVANCED PANCREATIC CANCER
Locally advanced pancreatic cancer is described as
Tumor invaded locally adjacent structures such as major
blood vessels, lymph nodes, bowel or the bile duct,
without evidence of distant metastatic disease.
Involvement of para-aortic LN considered as
metastasis and sugically contrindicated.
Locally advanced pancreatic cancer may or may not
be resectable and would include T3 and T4,
whereas T1 and T2 are considered resectable
tumours.
14. BORDERLINE RESECTABLE PANCREATIC CANCER
It is defined by two groups
MD Anderson Cancer Center (MDACC)
American HepatoPancreatoBiliary Association (AHPBA)/ Society
of Surgical Oncology (SSO)/Society for Surgery of the Alimentary
Tract (SSAT)
MDACC group describes any venous involvement as
resectable disease and only occlusion of the SMV or PV
(with the possibility of reconstruction) as borderline.
Cooper AB, Tzeng CW, Katz MH. Treatment of borderline resectable
pancreatic
cancer. Current treatment options in oncology. 2013;14(3):293-310.
15.
16. National Comprehensive Cancer Network (NCCN)
Guidelines for pancreatic cancer treatment.
Pancreatic cancers classified in to
Resectable
Borderline resectable and
Unresectable.
Resectable
Arterial: Clear fat planes around the coeliac axis (CA), SMA and HA.
Venous: The SMV or PV abutment but no distortion of the vessels.
17. Borderline Resectable
Arterial :
Pancreatic head /uncinate process:
Solid tumor contact with CHA without extension to celiac
axis or hepatic artery bifurcation.
Solid tumor contact with the SMA of ≤180°
Presence of variant arterial anatomy (ex: accessory right
hepatic artery, replaced right hepatic artery, replaced
CHA) and the presence and degree of tumor contact
should be noted if present as it may affect surgical
planning.
18. Borderline Resectable
Pancreatic body/tail:
Solid tumor contact with the CA of ≤180°
Solid tumor contact with the CA of ˃180° without
involvement of the aorta and with intact and
uninvolved gastroduodenal artery.
Venous: Venous involvement of the SMV or PV
with distortion or narrowing of the vein or occlusion
of the vein with suitable vessel proximal and distal,
allowing for safe resection and replacement.
19. Unresectable:
Arterial (Head of Pancreas): Greater than 180° encasement
of the circumference of the SMA or any CA
abutment.
Arterial (Body/Tail of Pancreas): SMA or CA encasement
>180°.
Arterial (Any Part of the Pancreas): Aortic invasion or
encasement.
Venous: Unreconstructable SMV and/or PV.
Nodal Status: Metastases to lymph nodes beyond
the field of resection should be considered
unresectable.
20. Grading system proposed by Lu et al. for predicting vascular
invasion by tumor based on the degree of tumor contiguity with a
vessel
GRADE DESCRIPTION COMMENT
Grade 0 No contiguity of tumor with a vessel Vascular invasion in
0% of cases
Grade 1 Tumor is encasing <25% of the
circumference of a vessel
0%
Grade 2 25–50% of the circumference of a
vessel
57%
Grade 3 50–75% of the circumference of a
vessel
88%
Grade 4 >75% of the circumference of a
vessel or any vessel constriction
All cases
21. A fat plane is seen between the
tumor and the superior mesenteric
artery (SMA) and superior
mesenteric
vein. No evidence of vascular
invasion is seen.
The tumor is contiguous with < 90°
of the superior mesenteric vein
(Lu grade 1). There is no narrowing
or wall irregularity of the SMV
MDCT OF PANCREATIC CARCINOMA
22. The tumor is contiguous with
90°- 180 of the superior
mesenteric vein
(Lu grade 2). There is no
narrowing or wall irregularity of
the SMV.
The tumor (T) in the head
of
the pancreas eroding the
wall of the superior
mesenteric vein (SMV)
and penetrating it to form
a tumor thrombus
23. Grading system proposed by Loyer et al. for predicting vascular
invasion by tumor
GRADE DESCRIPTION COMMENT
Type A Fat plane separates the tumor and
the normal pancreatic parenchyma
from adjacent vessels
Overall resection rate:
100%.
Type B Normal parenchyma separates the
tumor
from adjacent vessels
Overall resection rate:
100%.
Type C Tumor is inseparable from adjacent
vessels, and the points of contact
form a convexity against the vessels
Overall resection rate:
89%.
Type D The points of contact form a concavity
against the vessels or partially
encircle the vessels
Overall resection rate:
47%.
Type E Tumor encircles adjacent vessels,
and no
fat plane is identified between the
tumor and the vessels
Overall resection rate:
0%.
Type F Tumor occludes the vessels Overall resection rate:
24. APPROCH TO A PATIENT
Clinical suspicion of pancreatic cancer or evidence of
dilated pancreatic duct.
MDCT angiography
Mass in
pancreas
No mass in pancreas
No metastasis
Multidisciplanary
review
• LFT
• EUS
• Chest
imaging
Metastasis
Biopsy
confirmation
No metastasis
• LFT
• EUS/FNA
• Chest
imaging
• MRCP/ERC
P
Metastasis
Biopsy
confirmation
EUS
25. APPROCH TO A PATIENT
No metastatic disease on physical examination and imaging
No jaundice jaundice
Symptoms of cholangitis or
fever
Short or self expanding metal
stents and antibiotic coverage
No symptoms of
cholangitis
Per operative CA-19-9
RESECTABLE
BORDERLINE
RESECTABLE
LOCALLY
ADVANCED ,
UNRESECTABLE
26. RESECTABLE TUMOR
Consider staging laparoscopy in high risk patients
LAPAROTOMY
Surgical resection
Adjuvent treatment and
surveillance
Unresectable tumor
Biopsy confirmation, if not
performed previously
No jaundice
Gastrojujunostomy +
celiac plexus neurolysis (if
pain)
Jaundice
Self expanding metal
stents or biliary bypass
+Gastrojujunostomy +
celiac plexus neurolysis
(if pain)
27. The goals of surgical extirpation of pancreatic
carcinoma focus on the achievement of an R0
resection
a margin positive specimen is associated with poor
long-term survival
Achievement of a margin negative dissection must
focus on meticulous perivascular dissection of the
lesion in resectional procedures, recognition of the
need for vascular resection and/or reconstruction
28. Surgical Procedures
Tumors of the Body and
Tail
Distal Pancreatectomy
Removal of body & tail of
pancreas
spleen
29. Surgical Procedures
Head of the
pancreas: Whipple
Procedure
Removal of:
Distal stomach
Duodenum and
proximal jejunem
Head of pancreas
Gallbladder and
common bile duct
30.
31. Total pancreatectomy
Indicated in tumor with multilocular or large tumors.
It is combination of pancreaticoduodenectomy and
distal pancreatectomy with local lymphadenectomy.
Complications are post operative exocrine and
endocrine insufficiency and associated with high
mortality rates.
32. If the tumor is found to be unresectable during
surgery
biopsy confirmation of adenocarcinoma can be done.
If a patient with jaundice is found to be unresectable
at surgery stenting or biliary bypass can be done
33. BORDERLINE RESECTABLE, NO METASTASIS
Planned neoadjuvent therapy
Biopsy/ EUS+FNA / staging laparoscopy
Biopsy confirmed
Imaging: abdomen , chest and
pelvis
Consider staging laparoscopy
Surgical resection Unresectable
Cancer not confirmed
Repeat biopsy
Biopsy
confirmed
Biopsy not
confirmed
Planned
resection
34. INCREASING RESECTABILITY RATES
Survival for pancreatic cancer has not changed in
the last 40 years. However, with advancement in
surgical technique and improvement in perioperative
care.
In Specialised centres, postoperative mortality rates
of 2–3% have been reported.
The increased resectability and improve in long-
term survival for patients with pancreatic cancer,
extensive surgical procedures have been developed,
mainly involving vascular reconstruction
techniques.
35. INCREASING RESECTABILITY RATES
Birkmeyer et al. first reported aggressive surgery for
borderline resectable pancreatic cancer with the first
SMV resection and reconstruction in 1951.
In 1973, Fortner first described the regional
pancreatectomy. This involved a total pancreatectomy,
radical lymph node clearance, combined PV resection
(type 1) and/or combined arterial resection and
reconstruction (type 2).
36. Venous Resection
Venous involvement is not considered a contraindication
to surgical resection.
Pancreatic resection requiring venous reconstruction is
technically challenging and may be associated with a
higher morbidity.
Ravikumar et al. published multicentre retrospective cohort study
comparing, PD with venous resection (PDVR) and surgical bypass for T3
adenocarcinoma of the head of the pancreas.
1.Morbidity was similar between the PDVR and PD groups,
2.Patients requiring blood transfusion being greater in the PDVR
group.
Ravikumar R, Sabin C, Abu Hilal M, et al. Portal vein resection in borderline
resectable pancreatic cancer: a United Kingdom multicenter study. J Am Coll Surg.
2014;218(3):401-11.
37. Venous Resection
In 2006, Siriwardana reported a large systematic review of 1646 patients
who had undergone portal-SMV resection during pancreatectomy for
cancer.
concluded that, with the high rate of nodal metastases and the
low five-year survival rates, once the PV is involved cure is unlikely
even
with radical surgery.
Several studies have shown that PV resection in
patients with pancreatic cancer has comparable
survival compared to standard pancreatectomy and
It is a safe procedure when performed in specialist
HPB Units
Siriwardana HP, Siriwardena AK. Systematic review of outcome of synchronous
portal-superior mesenteric vein resection during pancreatectomy for cancer. Br J
Surg. 2006;93(6):662-73
38. Venous Resection
Lygidakis et al. compared en bloc splenopancreatic and
venous resection versus palliative gastrobiliary bypass
and reported two-year survival rates of 81.8% and 0%,
respectively.
Randomised controlled trial by Doi et al. in 2008 was
closed early when interim analysis showed a clear
survival benefit for PDVR with chemoradiotherapy
compared with chemoradiotherapy with or without a
surgical bypass
Lygidakis NJ, Singh G, Bardaxoglou E, et al. Mono-bloc total spleno-
pancreaticoduodenectomy
for pancreatic head carcinoma with portal-mesenteric venous invasion. A prospective randomized
study. Hepatogastroenterology. 2004;51(56):427-33.
Doi R, Imamura M, Hosotani R, et al. Surgery versus radiochemotherapy for
resectable locally invasive pancreatic cancer: final results of a randomized multi-institutional trial.
Surg Today. 2008;38(11):1021-8.
39. Arterial Resection
In 2007, Hirano et al. reported their long-term follow-up
for patients undergoing distal pancreatectomy with en
bloc CA resection (DP-CAR)
They reported 1yr and 5yr survival rates of 71% and
42%, respectively, and
concluded that DP-CAR offers a high resectability rate
and may potentially achieve complete local control in
selected patients.
Hirano S, Kondo S, Hara T, et al. Distal pancreatectomy with en bloc celiac axis resection
for locally advanced pancreatic body cancer: long-term results. Ann Surg. 2007;246(1):46-
51.
40. Arterial Resection
Bachellier et al., in 2011, matched a group of patients undergoing
pancreatectomy with arterial resection to conventional
pancreatectomy and demonstrated similar three-year survival
rates.
Bockhorn et al. reported one of the largest series on
pancreatectomy with simultaneous arterial resection (n = 29)
and
concluded that there was no overall difference in disease-
specific survival for patients who underwent arterial
reconstruction versus those patients who underwent
pancreatectomy alone
Bachellier P, Rosso E, Lucescu I, et al. Is the need for an arterial resection a
contraindication to pancreatic resection for locally advanced pancreatic
adenocarcinoma? A case-matched controlled study. J Surg Oncol. 2011;103(1):75-84.
Bockhorn M, Burdelski C, Bogoevski D, et al. Arterial en bloc resection for
pancreatic carcinoma. Br J Surg. 2011;98(1):86-92.
41. Arterial Resection
Mollberg et al. in 2011, systematic review and meta-
analysis. This report included 26 studies, a total of 2609
patients,
366, out of the 2609 patients underwent an arterial
resection and reconstruction in conjunction with a
pancreatectomy.
Results:
Significantly increased perioperative morbidity and a mortality rate
compared with standard pancreatectomy .
Significantly poorer survival outcomes at
one year (49.1%),
three years (8.3%) and
five years (0%) were demonstrated in this study
42. LOCALLY ADVANCED UNRESECTABLE TUMOR
Biopsy ,if not previously performed
Adenocarcinoma
confirmed
If jaundice,
placement of
self expanding
metal stents.
CHEMOTHERAP
Y
Cancer not confirmed
Repeat biopsy
Others cancers
Treat as appropriate
43. LOCALLY ADVANCED UNRESECTABLE TUMOR
FOLFIRINOX or
Gemcitabine or
Gemcitabine + albumine
bound paclitaxel. or
Capecitabine + continuous IV
5-FU or
Fluropyrimidine + oxaliplatine
or
Clinical trial preferred.
Fluropyrimidine based
therapy if previously
treated with
Gemcitabine based
therapy
Gemcitabine based
therapy if previously
treated with
Fluropyrimidine based
therapy
PALLIATIVE AND BEST
SUPPORTIVE CARE
44. METASTATIC DISEASE
If jaundice, placement of self expanding metal stents.
Good performance
CHEMOTHERAPY
Poor performance
Palliative and supportive
care.
45. SURVIVAL
5-year survival rate of
R0 resection - 24.2%
R1 and R2 resection - 4.3%
Median survival in R0 resected patients, the was
28 months with pancreaticoduodenectomy and
26 months with PPPD.
R1 resected patients - 15 months
R2 resected patients - 9.8 months
Wagner M, Redaelli C, Lietz M, Seiler CA, Friess H, Buchler MW. Curative resection is
the single most important factor determining outcome in patients with pancreatic
adenocarcinoma. Br J Surg 2004;91:58694